Topic
GEOS
Geological sample
15
Lead
10
Sample code/label
10
Age
9
Uranium
9
dated
9
Lead-207/Lead-206 ratio
7
206Pb/207Pb Lead-Lead
6
238U/206Pb Uranium-Lead
6
Copper
6
Event label
6
Lead-206/Uranium-238 ratio
6
Rock type
6
Antarctica
5
Lead-206/Lead-204 ratio
5
Lead-207/Lead-206
5
Lead-207/Uranium-235 ratio
5
Thorium
5
Zinc
5
standard error
5
235U/207Pb Uranium-Lead
4
Bismuth
4
Chromium
4
Cobalt
4
Lead-208/Lead-206 ratio
4
Nickel
4
Size fraction
4
Aluminium oxide
3
Barium
3
Calcium oxide
3
Cerium
3
Discordance
3
Fe2O3
3
Gallium
3
Gold
3
Iron oxide
3
Lead-206
3
Lead-206/Uranium-238
3
Loss on ignition
3
Magnesium oxide
3
Manganese oxide
3
Mass
3
Niobium
3
Phosphorus oxide
3
Potassium oxide
3
Silicon dioxide
3
Silver
3
Sodium oxide
3
Strontium
3
more ...